Jose Castillo

Jose Castillo

29-Year-Old PitcherRP
Arizona Diamondbacks
2025 Fantasy Outlook
There was no outlook written for Jose Castillo in 2025. Check out the latest news below for more on his current fantasy value.
$Signed a one-year contract with the Diamondbacks in November of 2024.
Added to roster
PArizona Diamondbacks
May 1, 2025
The Diamondbacks selected Castillo's contract from Triple-A Reno on Thursday.
ANALYSIS
Castillo got a late start to the season with Reno due to an adductor injury, but he made five appearances there and allowed just one run with a 7:0 K:BB over 5.1 innings. The left-hander missed much of 2024 with a hand injury, and when he makes an appearance, it will be his first in the majors since 2023.
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Pitching Stats
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2025
2023
2022
2021
2020
2019
2018
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2023 MLB Game Log
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2021 MLB Game Log
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2020 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
11
Last 10 Games
11
Last 5 Games
11
How many pitches does Jose Castillo generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Jose Castillo generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
 
 
-43%
BAA vs RHP
2025
 
 
-100%
BAA vs RHP
2024
No Stats
2023
 
 
-100%
BAA vs LHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .500 7 0 0 3 0 0 2
Since 2023vs Right .286 10 0 2 2 0 1 0
2025vs Left .500 6 0 0 3 0 0 2
2025vs Right .000 5 0 0 0 0 0 0
2024vs Left 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0
2023vs Left .000 1 0 0 0 0 0 0
2023vs Right 1.000 5 0 2 2 0 1 0
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2023
 
 
-79%
ERA on Road
2025
 
 
-100%
ERA at Home
2024
No Stats
2023
 
 
-100%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 36.00 4.00 .999999 0 0 0 0.0 18.0 0.0
Since 2023Away 7.71 1.29 2.1 0 1 0 0.0 0.0 7.7
2025Home 0.00 0.00 .666666 0 0 0 0.0 0.0 0.0
2025Away 7.71 1.29 2.1 0 1 0 0.0 0.0 7.7
2024Home 0 0 0 0 0 0 0 0 0
2024Away 0 0 0 0 0 0 0 0 0
2023Home 108.00 12.00 .333333 0 0 0 0.0 54.0 0.0
2023Away 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Stat Review
How does Jose Castillo compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 30 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
0.00
 
K/9
0.0
 
BB/9
0.0
 
HR/9
6.0
 
Fastball
94.3 mph
 
ERA
6.00
 
WHIP
1.00
 
BABIP
.106
 
GB/FB
1.50
 
Left On Base
500.0%
 
Exit Velocity
88.5 mph
 
Barrels/BBE
7.7%
 
Spin Rate
2486 rpm
 
Balls Hit 95+ MPH
30.8%
 
Swinging Strike
5.9%
 
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2021
2020
2019
2018
Castillo's 2020 season was over before it could begin. The lefty went down during an intrasquad game in July and was diagnosed with a Grade 2 lat strain, with the injury ultimately forcing a move to the 45-day IL and costing him the entire year. That was after he missed nearly all of 2019 with a forearm flexor strain and a tendon tear in his left hand. The Padres reinstated Castillo to the 40-man roster in November of 2020 and made a point to say that he was healthy heading into the winter. He showed a lot of promise in 2018, riding his fastball-slider combo to a 34.7 K% and 14.0 SwStr% in his first spin around the majors. Castillo is now a wild card given we have barely seen him over the past two seasons. If he's finally healthy, he should be a big difference-maker in the late innings for San Diego.
Castillo pitched 7.2 innings during the 2019 season around two major injuries. He missed most of the year with a left forearm flexor strain, only to come back from that and tear a tendon in his pitching hand. When he was healthy in 2018, Castillo was absolute death to lefties (.133/.220/.133) and held his own very well against righties (.189/.270/.333) over 38.1 innings of work. The San Diego bullpen has become more crowded over the past 12 months, but Castillo's ability to handle lefties and righties should serve him well as long as his pitching arm is in good shape. While he may be best utilized as a lefty specialist in 2020, especially with Drew Pomeranz now on the roster to provide a late-inning lefty, the new usage rules could give Castillo a jump in production and perhaps some value in deep NL-only leagues as a ratios play who can vulture the occasional win.
Castillo reached the majors for the first time as a 22-year-old in June and looked like he belonged, tossing 38.1 innings with a 3.29 ERA. His FIP came in even lower at 2.64 as Castillo had an excellent 34.7% strikeout to go along with an 8.0% walk rate. He absolutely dominated lefties, holding the 50 he faced to a .333 OPS, and he was no slouch against righties (.603 OPS he allowed in 100 plate appearances). Castillo should fill a high-leverage role in the Padres' bullpen from the start of the season this time around. His handedness could hurt his chance of getting save opportunities, though the Padres used lefty Brad Hand as closer recently. It's unlikely that he'll get the job to start the season, but he'll be a name worth knowing should Kirby Yates and Craig Stammen disappoint, break down or get traded.
A throw-in in the 2014 Wil Myers trade, Castillo reached the Double-A level late last season as a 21-year-old and showed enough in 47 total appearances to warrant Rule 5 protection. Walks have held him back some (4.2 BB/9 at High-A last year), but an uptick in strikeouts over the past two years has helped him limit the damage from the free passes. The lefty was excellent against same-handed hitters last season with Lake Elsinore, holding them to a .197 average and 1.03 WHIP (23:6 K:BB). He touches the mid-90s with his fastball and has been mostly healthy since missing nearly all of 2014 with an arm injury. There are a trio of capable southpaws on the Padres' roster behind Brad Hand (Buddy Baumann, Jose Torres, Kyle McGrath), but with Castillo now on the 40-man roster, he will likely be among the top candidates to come up when bullpen reinforcements are needed.
More Fantasy News
Makes 2025 debut
PArizona Diamondbacks
April 21, 2025
Castillo (adductor) recorded two strikeouts across a scoreless inning Saturday after Triple-A Reno activated him from its 7-day injured list.
ANALYSIS
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Ready for mound work
PArizona Diamondbacks
Thigh
March 10, 2025
Castillo (adductor) will throw a bullpen session Tuesday, Alex Weiner of ArizonaSports.com reports.
ANALYSIS
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Exits with injury
PArizona Diamondbacks
Undisclosed
February 22, 2025
Castillo was removed from Saturday's Cactus League game against the Rockies due to left adductor tightness, Alex Weiner of ArizonaSports.com reports.
ANALYSIS
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Returns on minor-league deal
PArizona Diamondbacks
November 27, 2024
Castillo signed a minor-league deal with the Diamondbacks on Wednesday, Aaron Hughes of SI.com reports.
ANALYSIS
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Debuts for Triple-A club
PArizona Diamondbacks
July 30, 2024
Castillo (hand) has given up three earned runs on five hits and no walks while striking out two batters over 2.2 innings in three appearances since being reinstated from Triple-A Reno's 7-day injured list July 19.
ANALYSIS
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Latest Fantasy Rumors
Could be ready for 2021
PSan Diego Padres
October 15, 2020
Castillo might be ready to pitch during the 2021 MLB season, according to Kevin Acee of the San Diego Union-Tribune.
ANALYSIS
Castillo missed the entire 2020 MLB season and, even though general manager A.J. Pollock said he could've been ready to pitch in the postseason if needed, Castillo didn't feel at his best and his return to the mound has been postponed until next year. The left-handed reliever has a 3.23 ERA in 39 innings pitched during his MLB career but has appeared in just one game since the beginning of the 2019 season.
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